using Android.App;
using Android.Content;
using System;

namespace XXCpzs.Droid
{
    [BroadcastReceiver]

    /// <summary>
    /// 下载通知接收器
    /// </summary>
    public class DownloadReceiver : BroadcastReceiver
    {
        public long downloadId = 0;
        public DownloadReceiver()
        {

        }
        public DownloadReceiver(long downloadId)
        {
            this.downloadId = downloadId;
        }
        public override void OnReceive(Context context, Intent intent)
        {
            if (intent.Action == DownloadManager.ActionDownloadComplete)
            {
                #region 下载完成
                DownloadManager manager = (DownloadManager)context.GetSystemService(Context.DownloadService);
                //获取下载id,默认值-1
                var downId = intent.GetLongExtra(DownloadManager.ExtraDownloadId, -1);
                if (downId == downloadId)
                {
                    Android.Database.ICursor cursor = null;
                    try
                    {
                        DownloadManager.Query query = new DownloadManager.Query();
                        query.SetFilterById(downId);
                        cursor = manager.InvokeQuery(query);
                        if (cursor.MoveToFirst())
                        {
                            //获取文件下载路径
                            var downloadedTo = cursor.GetString(cursor.GetColumnIndex(DownloadManager.ColumnLocalUri));
                            //var apkUri = manager.GetUriForDownloadedFile(downId);//错误路径

                            var installIntent = new Intent(Intent.ActionView);
                            installIntent.SetDataAndType(Android.Net.Uri.Parse(downloadedTo), "application/vnd.android.package-archive");
                            //给目标程序读改uri的权限。
                            installIntent.AddFlags(ActivityFlags.NewTask);
                            if (Android.OS.Build.VERSION.SdkInt > Android.OS.BuildVersionCodes.M)
                                installIntent.AddFlags(ActivityFlags.GrantReadUriPermission);
                            // installIntent.SetFlags(ActivityFlags.GrantReadUriPermission | ActivityFlags.NewTask);
                            context.StartActivity(installIntent);

                        }
                        if (cursor != null)
                            cursor.Close();
                    }
                    catch (Exception ex)
                    {
                    }

                    context.UnregisterReceiver(this);
                }
                #endregion
            }
            else if (intent.Action == DownloadManager.ActionNotificationClicked)
            {
            }
        }
    }
}